ST7735

Common ST7725 Pins (ST7789 Could be Same)

• All logic pins are 3V3, arduino may not work
• Power supply can be 5V if has on board LDO

CONN	Pins	Or Name	Functions	Arduino	ESP32
MUST	LEDA	LED+	Back light positive 3V3	3V3	3V3
MUST	GND	GND	GND	GND	GND
MUST	Reset	RST	Reset	D8	IO4
MUST	RS	DC / AO	Data/Command select	D9	IO2
MUST	SDA	MOSI	Data	D11	IO23
MUST	SCL	CLK	Clock	D13	IO18
MUST	VDD	3V3	Power Analog, check if board has on board LDO	3V3 or 5V	3V3
MUST	CS	CS	Low enable	D10	IO15 / IO5
Optional	DO	MISO	Optional or NC	D12	-

Common Version

PINs	Installation	Sizes	Supply	ESP32
8	FPC Socket-UP	0.96	KJ	Not Working
13	FPC Soldering	0.96	KJ
10	FPC Socket-DN	1.77	KJ	?
12	FPC Socket-DN	1.77	KJ	?
14	FPC Soldering	1.44	KJ	?
14	FPC Soldering	1.77	KJ / FPC
8	PCB	1.8	EDS	Working
14	FPC Soldering	1.8	QD	?
14	FPC Socket-DN	1.8	ZJY	?

Demo Code

• STM32 - (Longan - badapple) - https://github.com/hechao/Longan_GD32VF_examples
• Arduino TFT-eSPI library